﻿namespace AdminApp
{
    using System.Windows;
    using System.Windows.Controls;
    using System.Windows.Navigation;
    using AdminApp.LoginUI;
    using TheOliver.DigitalSignage.Common;
    using AdminApp.ViewModels;
    using AdminApp.Web.Resources;
    using AdminApp.Resources;

    public partial class MainPage : UserControl
    {
        HomeViewModel _viewModel = new HomeViewModel();

        public MainPage()
        {
            InitializeComponent();

            this.DataContext = _viewModel;
            this.loginContainer.Child = new LoginStatus();

            // Check for Update
            App.Current.CheckAndDownloadUpdateCompleted += (s, e) =>
                {
                    if (e.UpdateAvailable)
                    {
                        MessageBox.Show(GlobalResources.UpdateAvailable);
                    }
                };
            App.Current.CheckAndDownloadUpdateAsync();
        }

        /// <summary>
        ///     After the Frame navigates, ensure the <see cref="HyperlinkButton"/> representing the current page is selected
        /// </summary>
        private void ContentFrame_Navigated(object sender, NavigationEventArgs e)
        {
            foreach (UIElement child in LinksStackPanel.Children)
            {
                HyperlinkButton hb = child as HyperlinkButton;
                if (hb != null && hb.NavigateUri != null)
                {
                    if (hb.NavigateUri.ToString().Equals(e.Uri.ToString()))
                    {
                        VisualStateManager.GoToState(hb, "ActiveLink", true);
                    }
                    else
                    {
                        VisualStateManager.GoToState(hb, "InactiveLink", true);
                    }
                }
            }
        }

        /// <summary>
        ///     If an error occurs during navigation, show an error window
        /// </summary>
        private void ContentFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            e.Handled = true;
            ErrorWindow.CreateNew(e.Exception);
        }
    }
}